Steins7
3c7a09479c
+ added function libraries to keep main.c clean + moved temprature calculus to fixed-point * fixed ADC driver messed up during dma_dev branch creation
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
#ifndef LCD_H
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#define LCD_H
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#include "../target/stm32f103xb.h"
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#include "../config.h"
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#include "timer.h"
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#include "io.h"
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#include <stdlib.h>
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//------------------------------------------------------------------------------
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/* LCD mode selection */
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enum lcd_register {
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LCD_MODE_CMD = 0,
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LCD_MODE_DATA = 1
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};
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//------------------------------------------------------------------------------
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/* LCD commands */
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enum lcd_command {
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LCD_CLEAR = 0x01,
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LCD_CUR_HOME = 0x02,
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LCD_ENTRY = 0x04,
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LCD_DISP_CTRL = 0x08,
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LCD_SHIFT = 0x10,
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LCD_FUNC_SET = 0x20,
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LCD_CGRAM_ADDR = 0x40,
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LCD_DDRAM_ADDR = 0x80
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};
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//------------------------------------------------------------------------------
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/* LCD_ENTRY command options */
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enum lcd_entry_option {
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LCD_ENTRY_RIGHT = 0x00,
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LCD_ENTRY_LEFT = 0x02,
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LCD_ENTRY_SHIFT_INC = 0x01,
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LCD_ENTRY_SHIFT_DEC = 0x00
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};
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//------------------------------------------------------------------------------
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/* LCD_DISP_CTRL command options */
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enum lcd_ctrl_option {
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LCD_CTRL_DISP_ON = 0x04,
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LCD_CTRL_DISP_OFF = 0x00,
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LCD_CTRL_CUR_ON = 0x02,
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LCD_CTRL_CUR_OFF = 0x00,
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LCD_CTRL_BLINK_ON = 0x01,
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LCD_CTRL_BLINK_OFF = 0x00
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};
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//------------------------------------------------------------------------------
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/* LCD_SHIFT command options */
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enum lcd_shift_option {
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LCD_SHIFT_DISP = 0x08,
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LCD_SHIFT_CUR = 0x00,
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LCD_SHIFT_RIGHT = 0x04,
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LCD_SHIFT_LEFT = 0x00
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};
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//------------------------------------------------------------------------------
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/* LCD_FUNC_SET command options */
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enum lcd_func_option {
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LCD_FUNC_8BIT = 0x10,
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LCD_FUNC_4BIT = 0x00,
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LCD_FUNC_2LINE = 0x08,
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LCD_FUNC_1LINE = 0x00,
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LCD_FUNC_5x10DOTS = 0x04,
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LCD_FUNC_5x8DOTS = 0x00
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};
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//------------------------------------------------------------------------------
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/** lcd_init
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* initialise the lcd, needed before anything else can be done
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* the timer is used for delays and can't be in use when lcd functions are
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* called
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*/
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int lcd_init(TIM_TypeDef* tim, uint8_t col, uint8_t row);
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/** lcd_send_cmd
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* send the specified command to the lcd
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*/
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void lcd_send_cmd(uint8_t cmd);
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/** lcd_print
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* print a null-terminated string on the lcd
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*/
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void lcd_print(const char* txt);
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void lcd_print_c(char c);
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void lcd_set_cursor(uint8_t col, uint8_t row);
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#endif
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